$--info: #4090ff;
$--error: #f5222d;
$--success: #52c41a;
$--back-info: #5fbcec;

@mixin flex-column {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
}

@mixin flex-free($val) {
    flex-shrink: $val;
    flex-grow: $val;
}

@mixin round($val, $radius) {
    width: $val;
    height: $val;
    border-radius: $radius;
    line-height: $val;
    text-align: center;
}